> I am not sure I understand how to tell the kernel the root filesystem
> should be NFS mounted. can the booter be set to to do so?
> Mind to expand?

Yes.  There are some booter settings that will cause the kernel to
always ask what to use for the root device.  If the kernel does not
find a local root, it should ask, too.

Please try the latest kernel and booter.  If it does not work, let
us know, and we will fix it.  :-)

-allen